COUNTIES · BARNETT SHALE AND NORTH TEXAS · DISTRICT 7B · CODE 193
Hamilton County, Texas
Hamilton County has had no new drilling permits in the past 90 days; the most recent permit on record was issued March 22, 2010.
The county has 1 active disposal and injection permits.
105 drilling permits have been issued in Hamilton County since 1977.
105 permits on file since 1977 · last issued Mar 22, 2010
Watch Hamilton CountyAlso: every Hamilton County well in the statewide list, searchable → · a year of permits on the map →
- 0
- permits issued, 365d
- —
- vs prior 365d (0)
- 0
- operators filing
- —
- horizontal
- —
- avg permitted depth, ft
- 49
- operators, all time
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 2026 · WHY ISSUE AND SEEN DATES DIFFER
Permits issued by month
LAST 120 MONTHS · BY ISSUE DATE
Last 12 months 0 · prior 12 0
Operators by well inventory
No permits in the last year; ranked by wells on the RRC wellbore file instead.
New entrants, last 12 months
Operators whose first permit in Hamilton County came in the last year. None.
Formations in completed wells
RRC WELLBORE FILE · ≥10 WELLS
Tops reported on completion filings for wells in Hamilton County. A well counts for every formation it reports, so this reads as the county's stratigraphic column. About tops →
| Formation | Wells | Permitted last 3 yrs | Median top, ft | P10–P90 |
|---|---|---|---|---|
| Marble Falls | 15 | 0 | 3,175 | 2,204–3,598 |
| Barnett | 13 | 0 | 3,614 | 2,568–4,174 |
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 1
- active UIC permits of 9
- 3K
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
Every active well, operator, and daily reporter in Hamilton County →
Permitted volume is a ceiling, not throughput. How to read it →
Latest permits
NEWEST FIRST BY ISSUE DATE
| Permit | Seen | Issued | Operator | Lease / well | Depth | API |
|---|---|---|---|---|---|---|
| 693195 | Mar 22, 2010 | Mar 22, 2010 | Four Sevens Operating Co., Ltd. | Hughes #1 | 1,500 | 19330283 |
| 651069 | Dec 15, 2007 | Dec 15, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. - 3 #3 | 4,350 | 19330282 |
| 651068 | Dec 15, 2007 | Dec 15, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. - 2 #2 | 4,300 | 19330281 |
| 650463 | Dec 7, 2007 | Dec 7, 2007 | Dart Oil & Gas Corporation | Riverside Ranch, L.P. #1 | 4,200 | 19330280 |
| 640469 | Jun 18, 2007 | Jun 18, 2007 | Del Petroleum Corporation | Lone Star Fee/Jones, Travis #10 | 3,500 | 19330279 |
| 636947 | Apr 14, 2007 | Apr 14, 2007 | Marathon Oil Company | Lake Davis #1HH | 5,000 | 19330278 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #1 | 4,000 | 19330276 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #9 | 4,000 | 19330276 |
| 632470 | Jan 29, 2007 | Jan 29, 2007 | Del Petroleum Corporation | Jones, Travis #9 | 4,000 | 19330276 |
| 619483 | May 18, 2006 | May 18, 2006 | Majestic Consulting, LC | Hamilton SWD #1 | 10,000 | 19330275 |
Questions about Hamilton County
How many drilling permits were issued in Hamilton County in the last 12 months?
0 permits were issued in Hamilton County in the last 12 months. The most recent was issued Mar 22, 2010. 105 are on file since 1977.
Every Hamilton County permit →Which operator has the most wells in Hamilton County?
No operator has filed a drilling permit in Hamilton County in the last 12 months. By wells on file, the largest is Geo-Tech Petroleum Mgt. Corp., with 11, followed by Marathon Oil Company (7) and Foundation Energy Management LLC (7).
Operators in Hamilton County →How many oil and gas wells are in Hamilton County?
144 wells are on file in Hamilton County: 6 active and 108 plugged. 8 are horizontal, and 1 operator holds them.
Every well in Hamilton County →How much oil and gas does Hamilton County produce?
The Railroad Commission files oil and gas production by lease, not by well or by county. Each lease with wells in Hamilton County is listed with its reported production on the county's Leases tab.
Leases in Hamilton County →What formations are drilled in Hamilton County?
Completion filings for wells in Hamilton County report tops for 2 formations in at least ten wells each. The most reported are the Marble Falls (15 wells, median top 3,175 ft) and the Barnett (13 wells, median top 3,614 ft).
Formations in Hamilton County →What basin is Hamilton County in?
Petrora lists Hamilton County in the Barnett Shale and North Texas. It is in the Railroad Commission's District 7B.
The Barnett Shale and North Texas →About this data
Drilling permits from the RRC OGA049M master and daily daf420 files, rebuilt nightly into per-county figures; windows are on the date issued. Disposal from UIC permits and H-10 reports at the last settled month; earthquakes from the TexNet catalog inside the county's located-permit footprint.
Developers: this page as JSON is GET /v1/data/counties/tx/hamilton?days=365, documented in the API reference.